Halley Feiffer started her acting career at the age of six. Feiffer kickstarted her acting career with films like "You Can Count on Me" (2000) starring Laura Linney, "The Squid and the Whale" (2005) with Jeff Daniels and William Baldwin and "Stephanie Daley" (2007) starring Tilda Swinton. She also appeared in "Margot at the Wedding" (2007). She worked in television in her early acting career as well, including parts on "Law & Order" (NBC, 1990-2010) and "Flight of the Conchords" (HBO, 2006-09). She kept working in film throughout the early 2000s and the 2010s, starring in the comedy "Gentlemen Broncos" (2009) with Michael Angarano and "Twelve Thirty" (2011). Film continued to be her passion as she played roles in "Free Samples" (2013), the Paul Giamatti comedy "All is Bright" (2013) and the comedy "Appropriate Behavior" (2015) with Desiree Akhavan. She also worked in television during these years, including a part on "Elementary" (CBS, 2012-). Feiffer most recently acted in "Glass Chin" (2015) with Corey Stoll.

Halley Feiffer started her acting career at the age of six. Feiffer kickstarted her acting career with films like "You Can Count on Me" (2000) starring Laura Linney, "The Squid and the Whale" (2005) with Jeff Daniels and William Baldwin and "Stephanie Daley" (2007) starring Tilda Swinton. She also appeared in "Margot at the Wedding" (2007). She worked in television in her early acting career as well, including parts on "Law & Order" (NBC, 1990-2010) and "Flight of the Conchords" (HBO, 2006-09). She kept working in film throughout the early 2000s and the 2010s, starring in the comedy "Gentlemen Broncos" (2009) with Michael Angarano and "Twelve Thirty" (2011). Film continued to be her passion as she played roles in "Free Samples" (2013), the Paul Giamatti comedy "All is Bright" (2013) and the comedy "Appropriate Behavior" (2015) with Desiree Akhavan. She also worked in television during these years, including a part on "Elementary" (CBS, 2012-). Feiffer most recently acted in "Glass Chin" (2015) with Corey Stoll.